Finding the Fourth Proportional to 2,420,943.70, 3,631,415.56 and 1,609,129.30
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Solution
The fourth proportional to 2,420,943.70, 3,631,415.56 and 1,609,129.30 is: 2,413,693.96
Step by Step Solution
- Step 1: Write the proportion equation
2,420,943.70 : 3,631,415.56 = 1,609,129.30 : x - Step 2: Convert to fraction form
2,420,943.70/3,631,415.56 = 1,609,129.30/x - Step 3: Cross multiply
2,420,943.70x = 3,631,415.56 × 1,609,129.30 - Step 4: Simplify right side
2,420,943.70x = 5,843,417,178,071.91 - Step 5: Solve for x
x = 5,843,417,178,071.91/2,420,943.70 - Step 6: Final answer
x = 2,413,693.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.